321540639

素因数分解:

$3^1\times 7^1\times {\mathrm{919}}^1\times {\mathrm{16661}}^1$

素因数の和:17590

約数の個数: 16

約数和(自身を含む): 490529280

約数和(自身を除く): 168988641

約数列:

[1, 3, 7, 21, 919, 2757, 6433, 16661, 19299, 49983, 116627, 349881, 15311459, 45934377, 107180213, 321540639]

約数ペア:

[(1, 321540639), (3, 107180213), (7, 45934377), (21, 15311459), (919, 349881), (2757, 116627), (6433, 49983), (16661, 19299)]